aaut
bautc
cautcb
daut
eautc
z0utc
00utcb
10ut
20utc
30utcb
orvtcb
prvt
qrvtc
rrvtcb
srvt
diwt
eiwtc
fiwtcb
giwt
hiwtc
28wtc
38wtcb
48wt
58wtc
68wtcb